Short definition of Diaphragm, Gills, Spiracles, Trachea and Ribs for class 7..
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•Diaphragm - It is a dom shaped ,muscles which separates the thoracic cavity, containing the heart and lungs, from the abdominal cavity and performs an important function in respiration.
•Gills- a respiratory organ found in many aquatic organisms that takes oxygen from water and excretes carbon dioxide.
•spiracles-In the respiratory system of insects, the tracheal tubes which deliver oxygen directly into the animals' tissues.
•Trachea-Also called windpipe, it is a bony tube that connects the nose and mouth to the lungs, and is an important part of the respiratory system in vertibrates.
•Ribs- ribs surround the chest, enabling the lungs to expand and help in breathing by expanding the chest cavity and also protect the lungs, heart, and other internal organs .
•Gills- a respiratory organ found in many aquatic organisms that takes oxygen from water and excretes carbon dioxide.
•spiracles-In the respiratory system of insects, the tracheal tubes which deliver oxygen directly into the animals' tissues.
•Trachea-Also called windpipe, it is a bony tube that connects the nose and mouth to the lungs, and is an important part of the respiratory system in vertibrates.
•Ribs- ribs surround the chest, enabling the lungs to expand and help in breathing by expanding the chest cavity and also protect the lungs, heart, and other internal organs .
ishikaroy12:
These definitions are very long plzz give me shot
Give me short definition plzzzz
Thank you very much
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Answer:
Explanation:
Diaphragm are the muscular sheets that form the floor of the chest cavity
Gills are the respiratory system going in fishes .
Spiracles are the small openings on the side of the body of an insect
Trachea is a rigid tube that conducts air from larynx to bronchi
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